Islam, M. O., Sarker, M. Z., Mahmud, M., Ahmed, M. U., Bhuiyan, A. R. and Chowdhury, A. A. (2015) “Comparative Study of Ultrasound Guided FNAC and Conventional FNAC in the Diagnosis of Parotid Tumour”, Bangladesh Journal of Otorhinolaryngology, 21(1), pp. 5–16. doi: 10.3329/bjo.v21i1.24290.